APA (7th ed.) Citation

Henry, M., & Clarke, D. (2006). US patent no. 7,136,761 B2: Digital flowmeter. United States Patent and Trademark Office.

Chicago Style (17th ed.) Citation

Henry, M., and D. Clarke. US Patent No. 7,136,761 B2: Digital Flowmeter. United States Patent and Trademark Office, 2006.

MLA (9th ed.) Citation

Henry, M., and D. Clarke. US Patent No. 7,136,761 B2: Digital Flowmeter. United States Patent and Trademark Office, 2006.

Warning: These citations may not always be 100% accurate.